//***********************************************************************
//  StringMutation.java      Author: Lewis/Loftus
//
//  Demonstrates the use of the String class and its methods.
//***********************************************************************

public class StringMutation
{
   //--------------------------------------------------------------------
   // Prints a string and various mutations of it.
   //--------------------------------------------------------------------
   public static void main(String[] args)
   {
      String phrase = "Change is inevitable";
      String mutation1,mutation2,mutation3,mutation4;

      System.out.println("Original string: \"" + phrase + "\"");
      System.out.println("Length of string: " + phrase.length());

      mutation1 = phrase.concat(", except from vending machines.");
      mutation2 = mutation1.toUpperCase();
      mutation3 = mutation2.replace('E', 'X');
      mutation4 = mutation3.substring(3, 30);

      // print each mutated string
      System.out.println("Mutation #1: " + mutation1);
      System.out.println("Mutation #2: " + mutation2);
      System.out.println("Mutation #3: " + mutation3);
      System.out.println("Mutation #4: " + mutation4);
      System.out.println("Mutated length: " + mutation4.length());
   }
}
